LEVOIT Air Purifiers for Bedroom Home with True HEPA Filter,Personal Desktop Low Noise Air Cleaner Captures Allergies, Smoke, Dust, Pollen, Pet, 3 Speeds and Filter Reminder Wheel, LV-H126About this item 3 Stage Filtration System: Designed in California. The pre filter, HEPA filter, activated carbon filter remove 99. 97% of dust, pollen, smoke, odor, allergies, mold spores, and pet dander; filter particles as small as 0. 3 microns and air pollution of PM 2. 5 3 Fan Speeds: Easily turn a dial on the front panel to adjust the air. Choose Low, Medium, and High fan speeds; The vents causes air to be circulated effectively. From the intake